For the first time there was constructed with this machine [locomotive engine] a self-acting mechanism in which the interplay of forces took… — Carl Ludwig Copy Share Image
Scientific physiology has the task of determining the functions of the animal body and deriving them as a necessary consequence from its elementary conditions. — Carl Ludwig Copy Share Image
For the first time there was constructed with this machine [locomotive engine] a self-acting mechanism in which the interplay of forces took shape transparently… — Carl Ludwig Copy Share Image